I previously passed along the Pennsylvania attorney general's warning to be cautious when donating to causes for victims of the Boston Marathon bombing.

Here's more information about things to watch for.

Today's Watchdog column notes that a suspicious Twitter account already has been shut down, and that more than 120 domain names were registered for new websites that appear to be linked to the senseless tragedy.

The Department of Homeland Security has weighed in on that, saying while the intent of the registrants is unclear, historically some websites end up being trouble.